diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/aarch64/sigaction.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/sigaction.c | 60 |
1 files changed, 10 insertions, 50 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/sigaction.c b/sysdeps/unix/sysv/linux/aarch64/sigaction.c index 3291924896..fef195eefb 100644 --- a/sysdeps/unix/sysv/linux/aarch64/sigaction.c +++ b/sysdeps/unix/sysv/linux/aarch64/sigaction.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1997-2016 Free Software Foundation, Inc. - +/* Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,55 +15,16 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <signal.h> -#include <string.h> - -#include <sysdep.h> -#include <sys/syscall.h> - +/* Required for AArch32 compatibility. */ #define SA_RESTORER 0x04000000 -/* The difference here is that the sigaction structure used in the - kernel is not the same as we use in the libc. Therefore we must - translate it here. */ -#include <kernel_sigaction.h> - -int -__libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) -{ - int result; - struct kernel_sigaction kact; - struct kernel_sigaction koact; - - if (act) - { - kact.k_sa_handler = act->sa_handler; - memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); - kact.sa_flags = act->sa_flags; -#ifdef HAVE_SA_RESTORER - if (kact.sa_flags & SA_RESTORER) - kact.sa_restorer = act->sa_restorer; -#endif - } +#define SET_SA_RESTORER(kact, act) \ + ({ \ + if ((kact)->sa_flags & SA_RESTORER) \ + (kact)->sa_restorer = (act)->sa_restorer; \ + }) - result = INLINE_SYSCALL (rt_sigaction, 4, sig, - act ? &kact : NULL, - oact ? &koact : NULL, _NSIG / 8); - if (result >= 0 || errno != ENOSYS) - { - if (oact && result >= 0) - { - oact->sa_handler = koact.k_sa_handler; - memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t)); - oact->sa_flags = koact.sa_flags; -#ifdef HAVE_SA_RESTORER - oact->sa_restorer = koact.sa_restorer; -#endif - } - } - return result; -} -libc_hidden_def (__libc_sigaction) +#define RESET_SA_RESTORER(act, kact) \ + (act)->sa_restorer = (kact)->sa_restorer; -#include <nptl/sigaction.c> +#include <sysdeps/unix/sysv/linux/sigaction.c> |